Merge #1044, for #1045, set TCP SO_KEEPALIVE

AUTHORS.txt

@@ -27,3 +27,4 @@ CONTRIBUTORS ordered by first contribution.
 * panda1986<542638787@qq.com> "Bug fixed"
 * YueHonghui<hongf.yue@hotmail.com> "Bug fixed"
 * ThomasDreibholz<dreibh@simula.no> "IPv6 support"
+* JuntaoLiu<juntliu@gmail.com> "Bug fixed"

README.md

@@ -229,6 +229,7 @@ Please select according to languages:
 
 ### V2 changes
 
+* v2.0, 2018-01-07, Merge [#1045][bug #1045], fix [#1044][bug #1044], TCP connection alive detection. 2.0.245
 * v2.0, 2018-01-04, Merge [#1039][bug #1039], fix bug of init.d script.
 * v2.0, 2018-01-01, Merge [#1033][bug #1033], allow user to add some specific flags. 2.0.244
 * <strong>v2.0, 2017-06-10, [2.0 release2(2.0.243)][r2.0r2] released. 86670 lines.</strong>
@@ -1421,6 +1422,8 @@ Winlin
 [bug #899]: https://github.com/ossrs/srs/issues/899
 [bug #1033]: https://github.com/ossrs/srs/issues/1033
 [bug #1039]: https://github.com/ossrs/srs/issues/1039
+[bug #1044]: https://github.com/ossrs/srs/issues/1044
+[bug #1045]: https://github.com/ossrs/srs/issues/1045
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 
 [bug #735]: https://github.com/ossrs/srs/issues/735

trunk/src/app/srs_app_listener.cpp

@@ -227,6 +227,13 @@ srs_error_t SrsTcpListener::listen()
     if ((_fd = socket(r->ai_family, r->ai_socktype, r->ai_protocol)) == -1) {
         return srs_error_new(ERROR_SOCKET_CREATE, "create socket. ip=%s, port=%d", ip.c_str(), port);
     }
+    
+#ifdef SRS_PERF_SO_KEEPALIVE
+    int tcp_keepalive = 1;
+    if (setsockopt(_fd, SOL_SOCKET, SO_KEEPALIVE, &tcp_keepalive, sizeof(int)) == -1) {
+        return srs_error_new(ERROR_SOCKET_SETKEEPALIVE, "setsockopt SO_KEEPALIVE[%d]error. port=%d", tcp_keepalive, port);
+    }
+#endif
 
     srs_fd_close_exec(_fd);
     srs_socket_reuse_addr(_fd);

trunk/src/core/srs_core_performance.hpp

@@ -190,5 +190,9 @@
 #define SRS_PERF_GLIBC_MEMORY_CHECK
 #undef SRS_PERF_GLIBC_MEMORY_CHECK
 
+// Whether set SO_KEEPALIVE for TCP connection.
+// @see https://github.com/ossrs/srs/issues/1044
+#undef SRS_PERF_SO_KEEPALIVE
+
 #endif
 

trunk/src/kernel/srs_kernel_error.hpp

@@ -111,6 +111,7 @@
 #define ERROR_THREAD_DUMMY                  1072
 #define ERROR_ASPROCESS_PPID                1073
 #define ERROR_EXCEED_CONNECTIONS            1074
+#define ERROR_SOCKET_SETKEEPALIVE           1075
 
 ///////////////////////////////////////////////////////
 // RTMP protocol error.